kwanga.net Photo Gallery - AP Environmental Science

ACID RAIN SEED (BEAN) LAB, days later - Students see the effects of acid rain in a laboratory setting, observing how acidic water affects the germination of seeds. Most of the beans in the "rain" cup have sprouted and are ready to plant. The beans in the "acid rain" cup, which were watered with vinegar, did not sprout.

Click a picture to see a larger view.